David E. Henderson has been granted 15 US patents while listed as an inventor at Vlsi Technology . The first was granted in 1984 and the most recent in February 2021. David E. Henderson ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list David E. Henderson in Darien, CT, US.
Patents per Year Patents granted per year, 1984 to 2021 Bar chart with a peak of 2 patents in 1999. peak 2 1984: 1 patents 1984 1985: 1 patents 1988: 1 patents 1988 1989: 1 patents 1993: 1 patents 1993 1995: 1 patents 1997: 1 patents 1997 1998: 1 patents 1999: 2 patents 1999 2000: 1 patents 2008: 2 patents 2008 2014: 1 patents 2021: 1 patents 2021
Issued Patents All Time
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Showing 1–15 of 15 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10923745
Systems and methods for fuel cell gas circulation
Christopher Ainscough
2021-02-16
8777512
Vertically stackable and retrofittable traffic cone linking
—
2014-07-15
7452623
Electrochemical cell bipolar plate with sealing feature
—
2008-11-18
7378177
Electrochemical cell bipolar plate
Greg Hanlon
2008-05-27
$577,000
6022265
Complementary material conditioning system for a chemical mechanical polishing machine
Charles Franklin Drill , Calvin T. Gabriel , Milind Weling , Richard Russ
2000-02-08
6008130
Polymer adhesive plasma confinement ring
Ian Robert Harvey
1999-12-28
5924585
Connections and methods of restricting an opening
Daniel Thomas
1999-07-20
5752650
Shipping carton with flap holder for preventing spillage of packing material
—
1998-05-19
5653479
Vacuum seal for a ball junction
—
1997-08-05
$8,258,000
5382058
Rotatable flange union for use with vacuum systems
—
1995-01-17
$2,674,000
5240580
Conmag shield
Ronney L. White , Forest P. Kreiss
1993-08-31
$6,705,000
4867346
Dispenser for reactive chemicals
Robert L. Faye
1989-09-19
4725106
Reconfigurable work station for a video display unit and keyboard
Nicholas L. Shields , Fred D. Roe , Mary F. Fagg
1988-02-16
4532093
Method and apparatus for the manufacture of molded packings
Michael O'Malley , Mark J. Cable , James E. Hefferon
1985-07-30
4436214
Anti-theft picnic device
—
1984-03-13